7866880028

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{347}}^1\times {\mathrm{1123}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 16231243392

約数和(自身を除く): 8364363364

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 347, 412, 694, 721, 1123, 1388, 1442, 2246, 2429, 2884, 4492, 4858, 5047, 7861, 9716, 10094, 15722, 17003, 20188, 31444, 34006, 35741, 55027, 68012, 71482, 110054, 115669, 142964, 220108, 231338, 250187, 389681, 462676, 500374, 779362, 809683, 1000748, 1558724, 1619366, 1751309, 2727767, 3238732, 3502618, 5455534, 5667781, 7005236, 10911068, 11335562, 19094369, 22671124, 38188738, 40137143, 76377476, 80274286, 160548572, 280960001, 561920002, 1123840004, 1966720007, 3933440014, 7866880028]

約数ペア:

[(1, 7866880028), (2, 3933440014), (4, 1966720007), (7, 1123840004), (14, 561920002), (28, 280960001), (49, 160548572), (98, 80274286), (103, 76377476), (196, 40137143), (206, 38188738), (347, 22671124), (412, 19094369), (694, 11335562), (721, 10911068), (1123, 7005236), (1388, 5667781), (1442, 5455534), (2246, 3502618), (2429, 3238732), (2884, 2727767), (4492, 1751309), (4858, 1619366), (5047, 1558724), (7861, 1000748), (9716, 809683), (10094, 779362), (15722, 500374), (17003, 462676), (20188, 389681), (31444, 250187), (34006, 231338), (35741, 220108), (55027, 142964), (68012, 115669), (71482, 110054)]